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It’s a Hard Rock Life

It’s a Hard Rock Life. By: Kainan, Matthew, Brandon R., and Nicki. The Rock Cycle.

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It’s a Hard Rock Life

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  1. It’s a Hard Rock Life By: Kainan, Matthew, Brandon R., and Nicki

  2. The Rock Cycle The rock cycle is an important concept in geology that describes the dynamic changes through time among the three main rock types, igneous, sedimentary, and metamorphic. Each of the types of the rocks are altered or destroyed. Igneous rock such as Basalt may break down and exposed the atmosphere, or melts, as its sub ducted under a continent. The rock cycle is there to explain how the three rock types are always related to each other, this is also how rocks are changed from one type to another overtime. All rocks are classified by their mineral and chemical makeup.

  3. Igneous Rock Igneous rock is one of the three rock types. Igneous rock is formed from the cooling and of magma or lava. Igneous rocks can form with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive. Some examples of igneous rock are: Granit, Basalt, Pumice, and Obsidian. Most of the oceanic crust is made of basalt, while the continental crust is made of granite.

  4. Sedimentary Rock Sedimentary rock are types of rock formed by the deposition of materials in bodies of water or in the Earth. Sedimentation is the name for process that cause pieces from other broken down rocks to settle and build up of minerals to compact and cement together to make sedimentary rocks. Some examples of sedimentary rock are: Limestone, Sandstone, Shale, and Conglomerate. Sedimentary rocks are also important natural resources like coal, fossil fuels, drinking water, or ores.

  5. Metamorphic Rock Metamorphic rocks are formed from the transformation of existing rock types, in a process called metamorphism which means to change . The original rock is subjected to heat and pressure, causing physical and chemical change. Metamorphic rocks make up a large part of the Earths crust. They may be formed by being deep beneath the earths surface with heat and pressure. Some examples of metamorphic rocks are: Gneiss, Slate, Marble, Schist, a Quartzite, and Coal.

  6. Igneous Rocks Basalt (Top Left), Obsidian (Bottom), Granite (Top Right).

  7. Sedimentary Rocks Notice the Layers Conglomerate (Bottom), Iron pyrite which is Fools gold (Top Right).

  8. Metamorphic Rock Marble (Top Left), Gneiss (Top Right and Bottom).

  9. Rock Cycle

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